A:AnswerThere's no such thing as a JailBroken FireStick. Those who claim to JailBreak a FireStick only install 3rd party apps to allow the Stick to use their software for whatever purpose they intend.
A:AnswerYes but it's not recommended you use the FireSticks storage space since it's so little. Look up "How to record using a FireStick" on YouTube. You'll need some extra equipment to record.
A:AnswerThere is not a monthly fee for the fire stick, you pay monthly fees for the streaming services you choose to subscribe to (Netflix, Disney Plus).
A:AnswerYes. It's a small box with 3 or 4 HDMI ports that you plug into your TV's HDMI port. There's a switch on the box or you can sometimes use a remote to change to which HDMI source you have connected.
A:AnswerTheoretically the device should see your Hotspot as just another wifi address. The downside is that running on Hotspot will generally be slower than your satellite internet.